bash> /usr/platform/`uname -i`/sbin/prtdiag
Some output
System Configuration: Sun Microsystems sun4u Sun Fire 880
System clock frequency: 150 MHz
Memory size: 16384 Megabytes======== CPUs =========
Run E$ CPU CPU
Brd CPU MHz MB Impl. Mask
--- ----- ---- ---- ------- ----
A 0 1050 8.0 US-III+ 2.3
B 1 1050 8.0 US-III+ 11.0
A 2 1050 8.0 US-III+ 2.3======== Memory Configuration ========
Logical Logical Logical
MC Bank Bank Bank DIMM Interleave Interleaved
Brd ID num size Status Size Factor with
---- --- ---- ------ ----------- ------ ---------- -----------
A 0 0 512MB no_status 256MB 8-way 0
A 0 1 512MB no_status 256MB 8-way 0(some output removed for brevity)